ModuleFederationPlugin can the "remotes" prop be dynamic?

[jazzfog]

Hi
With the remotes property we define where to pull remotes from:

remotes: {
  widget: `widget@http://localhost:3001/remoteEntry.js`,
},

It is possible to alternate the URL during the build

remotes: {
  widget: `widget@${isDev ? 'http://localhost:3001' : '/apps/widgets'}/remoteEntry.js`,
},

Though I do not see so far a way to define the remote's URL dynamically, when application is actually running.
I would imagine it like this:

remotes: {
  widget: () => {
    const prefix = location.host.startsWith('eu.') ? 'europe' : 'us';
    return `widget@${prefix}/apps/widgets/remoteEntry.js`
  },
},

Is there a way to compute the target URLs?
Thanks!

[alexander-akait]

I think better is move this logic in runtime

[jazzfog]

Sadly not always.
The eu/us example I gave is just a simplification, in the reality it is more complex.

[alexander-akait]

I mean technically it's possible to implement in webpack

[jazzfog]

Uh, sorry, yes this is what I thought, at least from what I understand there should be nothing to prevent it I just can't seem to find a way how to go about it.

[alexander-akait]

We need implement this

[jazzfog]

Created the issue: #12217